Ailanthus altissima (treeofheaven) A. altissima is resistant to rootknot nematodes (Meloistoneyne spp.) and Anoplophora glabripennis (Zhang et al., 1992; Santamour and Riedel, 1993). 46 phytophagous arthropods, 16 fungi, and one potyvirus were reported attacking Ailanthus altissima in China, some